Occupancy Limits: Lowell vs Somerville
How do occupancy limits rules compare between Lowell, MA and Somerville, MA?
Somerville has fewer restrictions than Lowell.
Lowell, MA
Middlesex County
Lowell STR occupancy is governed by the Massachusetts State Sanitary Code 105 CMR 410 which sets minimum square footage per occupant, combined with local fire code egress requirements.
View full Lowell rules →Somerville, MA
Middlesex County
Somerville STR occupancy follows MA Sanitary Code 105 CMR 410 room-size standards, typically allowing two guests per bedroom plus additional occupants based on square footage.
View full Somerville rules →Key Facts Comparison
| Fact | Lowell | Somerville |
|---|---|---|
| Per occupant minimum | 150 sqft first, 100 sqft each add'l | - |
| Sleeping room minimum | 70 sqft for 1, +50 per add'l | - |
| Egress | Two means or rescue window | - |
| Enforcement | Lowell Inspectional Services | - |
| State Code | - | 105 CMR 410 minimums |
| Rule of Thumb | - | 2 guests per bedroom |
| First Occupant | - | 150 sq ft living space |
| Each Additional | - | 100 sq ft |
| Contact | - | Somerville 311 or (617) 625-6600 |
Highlighted rows indicate differences between cities.
Lowell FAQ
How many guests can stay in my Lowell STR?
Calculate based on 105 CMR 410 square footage minimums and approved sleeping rooms.
Can I use a basement bedroom for STR guests?
Only if it meets egress, ceiling height, and light/ventilation standards under 105 CMR 410.
Somerville FAQ
Can I list my 2-bedroom Somerville condo for 6 guests?
Only if the total square footage supports it under 105 CMR 410 and egress is adequate. Most 2-bedroom condos realistically support 4 guests. Inspectional Services can confirm your specific unit.
Do infants count toward occupancy?
Under 105 CMR 410, children under one year old generally do not count, but older children do. Check with ISD for your specific situation.
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